Accessories for gas detectors type URx21xx

Home| Accessories for gas detectors type URx21xx

UZR20.4

Relay card for URx21xx detectors

4 SPDT relays 50 mA at 24Vac/dc 100 mA at 12Vac/dc

UZS20.x

Module with n. 1 opto-isolated resistive output (two wires)

UZS20.E

  • 22KOhm = normal operation
  • 10Kohm = pre-alarm
  • 2,2KOhm = alarm threshold 1
  • open = failure

UZS20.A

  • 27KOhm = normal operation
  • 10KOhm = alarm threshold 1
  • open = failure

UZS20.S

  • 27KOhm = normal operation
  • 0 Ohm = alarm threshold 1
  • open = failure